Mercurial > hg > truffle
view graal/com.oracle.graal.hotspot/src/com/oracle/graal/hotspot/nodes/WriteBarrier.java @ 5503:438ab53efdd0
Renaming CiKind => RiKind.
author | Thomas Wuerthinger <thomas.wuerthinger@oracle.com> |
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date | Thu, 07 Jun 2012 17:08:33 +0200 |
parents | 13aee5aba8cc |
children | 56860d3f9f39 |
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/* * Copyright (c) 2011, 2012, Oracle and/or its affiliates. All rights reserved. * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER. * * This code is free software; you can redistribute it and/or modify it * under the terms of the GNU General Public License version 2 only, as * published by the Free Software Foundation. * * This code is distributed in the hope that it will be useful, but WITHOUT * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License * version 2 for more details (a copy is included in the LICENSE file that * accompanied this code). * * You should have received a copy of the GNU General Public License version * 2 along with this work; if not, write to the Free Software Foundation, * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA. * * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA * or visit www.oracle.com if you need additional information or have any * questions. */ package com.oracle.graal.hotspot.nodes; import com.oracle.max.cri.ci.*; import com.oracle.max.cri.ri.*; import com.oracle.graal.hotspot.*; import com.oracle.graal.nodes.*; import com.oracle.graal.nodes.spi.*; import com.oracle.graal.nodes.type.*; public abstract class WriteBarrier extends FixedWithNextNode { public WriteBarrier() { super(StampFactory.forVoid()); } protected void generateBarrier(CiValue adr, LIRGeneratorTool gen) { HotSpotVMConfig config = CompilerImpl.getInstance().getConfig(); CiValue base = gen.emitUShr(adr, RiConstant.forInt(config.cardtableShift)); long startAddress = config.cardtableStartAddress; int displacement = 0; if (((int) startAddress) == startAddress) { displacement = (int) startAddress; } else { base = gen.emitAdd(base, RiConstant.forLong(config.cardtableStartAddress)); } gen.emitStore(new CiAddress(RiKind.Boolean, base, displacement), RiConstant.FALSE, false); } }